Actually

http://www.sythe.org/showthread.php?p=14275921#post14275921
http://prntscr.com/5rphiq

These accounts are quite obviously hacked.
-2 cents each
-"No warranty"
-"You can't change the password, email, or security question"
-"If the password gets changed you will not get a refund"
-"If the account you got doesn't work private message me about it and you will most likely get a new account."

He isn't even aware if some of his accounts work so obviously they aren't his and he's selling them from a list of cracked accounts, and obviously he isn't the rightful owner as he's stating the passwords may be changed and there's no warranty on them.

Edit: He is also a ban evader-
http://prntscr.com/5rv4zf
http://prntscr.com/5rv51s

 

Hammered.